Remove unnecessary GraphQL descriptions

[emmatown]

These descriptions just repeat what's in the name and don't actually add any new information so having a smaller schema that's easier to read at a glance is better imo

note: major because a build that would succeed with the current version would fail since the schema.graphql file would have to be updated.

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[changeset-bot]

🦋 Changeset detected

Latest commit: a7e5746

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 30 packages

Name	Type
@keystone-next/fields	Major
@keystone-next/keystone	Major
@keystone-next/example-assets-cloud	Patch
@keystone-next/example-assets-local	Patch
@keystone-next/example-auth	Patch
@keystone-next/examples-app-basic	Patch
@keystone-next/example-ecommerce	Patch
@keystone-next/example-embedded-nextjs	Patch
keystone-next-app	Patch
@keystone-next/example-playground	Patch
@keystone-next/example-roles	Patch
@keystone-next/example-sandbox	Patch
@keystone-next/example-blog	Patch
@keystone-next/example-custom-field-view	Patch
@keystone-next/example-custom-field	Patch
@keystone-next/example-default-values	Patch
@keystone-next/example-document-field	Patch
@keystone-next/example-extend-graphql-schema	Patch
@keystone-next/example-json-field	Patch
@keystone-next/example-task-manager	Patch
@keystone-next/example-testing	Patch
@keystone-next/example-virtual-field	Patch
@keystone-next/example-with-auth	Patch
@keystone-next/auth	Major
@keystone-next/cloudinary	Patch
@keystone-next/fields-document	Patch
@keystone-next/types	Patch
@keystone-next/benchmarks-legacy	Patch
@keystone-next/test-projects-basic	Patch
@keystone-next/testing	Patch

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[timleslie]

Fantastic!